A retreat can be from empire.Logical formLearned from5 sentences. A history can be constituted-of-or-filled-with empire.Logical formLearned from5 sentences. Nations can be subject to an empire.Logical formLearned from5 sentences. A supreme power may pertain-to an empire.Logical formLearned from5 sentences. Revolutions can be constituted-of-or-filled-with empire.Logical formLearned from5 sentences. Empire may undergo conceptions.Logical formLearned from5 sentences. A global empire can be in history.Logical formLearned from5 sentences. A portuguese empire may undergo a collapse.Logical formLearned from5 sentences. A war can be between some empires.Logical formLearned from5 sentences. A quest can be for empire.Logical formLearned from5 sentences. Empires may undergo a breakup.Logical formLearned from5 sentences. Peoples may pertain-to an empire.Logical formLearned from5 sentences. An other half may pertain-to an empire.Logical formLearned from5 sentences. An empire may be consolidated.Logical formLearned from5 sentences. An empire may be attained.Logical formLearned from5 sentences.